.tab {
  position: relative;
  height: 30px;
}
.tab ul {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
}
.tab li {
  float: left;
}
.tab a {
  display: block;
  height: 28px;
  padding: 0 25px;
  line-height: 28px;
  color: #656565;
}
.tab a:hover,
.tab .tab-on a {
  border-bottom: 2px solid #ff7713;
  color: #ff7713;
}
.tab-bottom-line {
  position: absolute;
  bottom: 0px;
  left: 0;
  width: 100%;
  height: 0;
  border-bottom: 2px solid #dcdcdc;
}
.grid-header .tab-bottom-line {
  bottom: -2px;
}
.tab-title {
  position: relative;
  height: 30px;
}
.tab-sm {
  position: relative;
  height: 36px;
}
.tab-sm ul {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
}
.tab-sm li {
  float: left;
  padding: 0 20px;
}
.tab-sm a {
  display: block;
  height: 33px;
  padding: 3px 21px 0;
  line-height: 33px;
  color: #333;
  font-size: 14px;
}
.tab-sm a:hover,
.tab-sm .tab-sm-on a {
  padding: 0 20px;
  border: 1px solid #ff7713;
  border-width: 3px 1px 0;
  color: #ff7713;
  background-color: #fff;
}
.tab-sm-bottom-line {
  position: absolute;
  bottom: 1px;
  left: 0;
  width: 100%;
  height: 0;
  border-bottom: 1px solid #ff7713;
}
